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Linearity results showing slope, y-intercept and Pearson's coefficient for each of the analytes.
| Slope | y-Intercept | Pearson's Coefficient | |
|---|---|---|---|
| Morphine | 1.049 | −4.3 | >0.999 |
| Morphine-3-β-Glucuronide | 1.043 | −5.4 | >0.999 |
| Morphine-6-β-Glucuronide | 1.014 | −4 | >0.999 |
| Hydromorphone | 1.029 | 1.3 | >0.999 |
| Normorphine | 1.037 | 2.1 | >0.999 |
